Chap. 0253 An Act in further addition to an act providing for the more speedy completion of the troy and greenfield railroad and hoosac tunnel. Be it enacted, Sfc, as follows : For the further prosecution and completion of the Troy and Greenfield Railroad and Hoosac Tunnel, and for the payment of interest upon such scrip as has been or may be issued during the progress of the work, there is hereby appropriated the sum of six hundred thousand dollars in addition to the sums heretofore appropriated, such sum for the purposes aforesaid to be raised in the manner provided in chapter two hundred and fourteen of the acts of the year eighteen hundred and sixty-three, the expenditure of the same not to be made without the approval of the governor and council. Approved May 18, 1807.